package com.cswnode.Util;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

/**
 * @author csw
 * @create 2020/9/18 13:37
 */

public class CookieUtil {
    public static String getValue(HttpServletRequest request,String name){
        if (request == null && name == null){
            throw new IllegalArgumentException("参数为空！");
        }
        Cookie[] cookies = request.getCookies();
        if (cookies != null){
            for (Cookie cookie : cookies) {
                if (cookie.getName().equals(name)){
                    return cookie.getValue();
                }
            }
        }
        return null;
    }

}
